According to some experts in the mining sector physical gold is running out .The quantity  of gold extracted from the various mining sites is costantly decreasing . Gold is falling ,and most  of the new mining sites are small or medium sized. No mining site, where there is a forcast o exstraction estimate of 20000 kg of gold has been  discovered since the ’80s to the present. Most  mining sites ,have an average gold content  par ton of processed material  equal to  1,5 GR. The lower amount of gold extracted units,  at an increase in mining cost ,has  prompted many mining companies to join in joint ventures. For these reasons many investors expect an increase in the price of gold in the near future.